FYI, there's a somewhat related topic at https://news.ycombinator.com/item?id=37630804 concerning the difficulties of editing text on a mobile under the heading Text editing on mobile: the invisible problem. As is my usual wont, I had a long rave about such matters but one of the points I raised that may interest those here was the lack of Bluetooth keyboards, especially the more portable types with good mechanical s…
I think all of them have hot-swappable keys and many of them even have hot-swappable mechanical switches, I think. In most of their keyboards, all the keys (and key combinations) are fully configurable at the hardware level as well.
I can vouch for the quality of the ones I have (Q3), but mine don't have Bluetooth so I don't know how well that works.